- 2 - QUESTION 1 1.1 Solve for x and y 24743x = 250 and x + y = 100 1.2 lonollgaoV) stool (5 Solve for x 1.2.1 (x )(Vx - 3)=0 (2) 1.2.2 -1 x-5 2x - 3 3 -=0 (4) 1.2.3 Solve for x by completing the square -7x2 -3x =1000 1.3 Show that (4) 1 - a [19] QUESTION 2 2.1 Given: f (x ) = 1- -x Calculate the derivative S'(x) using the first principles. (4) 2.2 Calculate * -4x2 lim (3) 2.3 Differentiate the following and leave answers with POSITIVE exponents and in SURD form where applicable. 2.3.1 5x(x - 2x7 ) 2.x (3) 2.3.2 V= VX + Px - J3 (3) 2.3.3 (3)